MIL-STD-1553 Reference Manual
Chapter 9 – Bus Monitor Functions
Generate External Strobe on Trigger
API_BM_PULSE_STROBE_ON_TRG
Pulse Monitor Output Strobe on Trigger
Interrupt on Trigger
Assert Trigger Interrupt if Trigger is true
Inversion of Limit Check
Invert result of Limit Check
A
A
i
i
U
U
I
I
n
n
t
t
8
8
t
t
r
r
e
e
s
s
(
(
t
t
r
r
i
i
g
g
g
g
e
e
r
r
r
r
e
e
s
s
e
e
t
t
)
)
8-bit field indicating which bit(s) of the Monitor Status Trigger pattern shall be cleared.
A
A
i
i
U
U
I
I
n
n
t
t
8
8
t
t
s
s
e
e
t
t
(
(
t
t
r
r
i
i
g
g
g
g
e
e
r
r
s
s
e
e
t
t
)
)
8-bit field indicating which bit(s) of the Monitor Status Trigger pattern shall be set.
A
A
i
i
U
U
I
I
n
n
t
t
8
8
t
t
s
s
p
p
(
(
T
T
r
r
i
i
g
g
g
g
e
e
r
r
S
S
p
p
e
e
c
c
i
i
f
f
i
i
c
c
a
a
t
t
i
i
o
o
n
n
The usage of this byte depends on the selected Trigger Type (tt).
R
R
X
X
A
A
I
I
f
f
B
B
i
i
t
t
=
=
1
1
:
:
T
T
r
r
i
i
g
g
g
g
e
e
r
r
i
i
f
f
W
W
o
o
r
r
d
d
r
r
e
e
c
c
e
e
i
i
v
v
e
e
d
d
o
o
n
n
P
P
r
r
i
i
m
m
a
a
r
r
y
y
B
B
u
u
s
s
R
R
X
X
B
B
I
I
f
f
B
B
i
i
t
t
=
=
1
1
:
:
T
T
r
r
i
i
g
g
g
g
e
e
r
r
i
i
f
f
W
W
o
o
r
r
d
d
r
r
e
e
c
c
e
e
i
i
v
v
e
e
d
d
o
o
n
n
S
S
e
e
c
c
o
o
n
n
d
d
a
a
r
r
y
y
B
B
u
u
s
s
C
C
W
W
2
2
I
I
f
f
B
B
i
i
t
t
=
=
1
1
:
:
T
T
r
r
i
i
g
g
g
g
e
e
r
r
i
i
f
f
W
W
o
o
r
r
d
d
i
i
s
s
s
s
e
e
c
c
o
o
n
n
d
d
C
C
o
o
m
m
m
m
a
a
n
n
d
d
W
W
o
o
r
r
d
d
f
f
o
o
r
r
R
R
T
T
-
-
R
R
T
T
t
t
r
r
a
a
n
n
s
s
f
f
e
e
r
r
S
S
T
T
I
I
f
f
B
B
i
i
t
t
=
=
1
1
:
:
T
T
r
r
i
i
g
g
g
g
e
e
r
r
i
i
f
f
W
W
o
o
r
r
d
d
i
i
s
s
S
S
t
t
a
a
t
t
u
u
s
s
W
W
o
o
r
r
d
d
D
D
W
W
I
I
f
f
B
B
i
i
t
t
=
=
1
1
:
:
T
T
r
r
i
i
g
g
g
g
e
e
r
r
i
i
f
f
W
W
o
o
r
r
d
d
i
i
s
s
D
D
a
a
t
t
a
a
W
W
o
o
r
r
d
d
C
C
W
W
I
I
f
f
B
B
i
i
t
t
=
=
1
1
:
:
T
T
r
r
i
i
g
g
g
g
e
e
r
r
i
i
f
f
W
W
o
o
r
r
d
d
i
i
s
s
C
C
o
o
m
m
m
m
a
a
n
n
d
d
W
W
o
o
r
r
d
d
W
W
P
P
O
O
S
S
S
S
p
p
e
e
c
c
i
i
f
f
i
i
e
e
s
s
t
t
h
h
e
e
W
W
o
o
r
r
d
d
P
P
o
o
s
s
i
i
t
t
i
i
o
o
n
n
w
w
i
i
t
t
h
h
i
i
n
n
t
t
h
h
e
e
m
m
e
e
s
s
s
s
a
a
g
g
e
e
t
t
o
o
b
b
e
e
c
c
h
h
e
e
c
c
k
k
e
e
d
d
f
f
o
o
r
r
a
a
s
s
p
p
e
e
c
c
i
i
f
f
i
i
c
c
d
d
a
a
t
t
a
a
v
v
a
a
l
l
u
u
e
e
o
o
r
r
a
a
r
r
a
a
n
n
g
g
e
e
.
.
A
A
i
i
U
U
I
I
n
n
t
t
8
8
n
n
e
e
x
x
t
t
Next Trigger Control Block Index if trigger condition becomes true for this Trigger Control
Block.
disabled for Static Trigger
disabled for Static Trigger
Sequence Trigger 0/1 modified
do not modify Sequence Trigger 0/1
Sequence Trigger 0/1 modified
do not modify Sequence Trigger 0/1